Home / 9,990,237.48-13,786,527.56-5,406,558.86

Finding the Fourth Proportional to 9,990,237.48, 13,786,527.56 and 5,406,558.86

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Solution

The fourth proportional to 9,990,237.48, 13,786,527.56 and 5,406,558.86 is: 7,461,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,237.48 : 13,786,527.56 = 5,406,558.86 : x
  2. Step 2: Convert to fraction form
    9,990,237.48/13,786,527.56 = 5,406,558.86/x
  3. Step 3: Cross multiply
    9,990,237.48x = 13,786,527.56 × 5,406,558.86
  4. Step 4: Simplify right side
    9,990,237.48x = 74,537,672,728,152.19
  5. Step 5: Solve for x
    x = 74,537,672,728,152.19/9,990,237.48
  6. Step 6: Final answer
    x = 7,461,051.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.